While exporting from Premiere Pro CC, my battery backup starts to buzz and then shuts the computer down hard. This is the only time it does this. This just started today. Any help would be great. Battery backup is brand new as well.
Here are my specs:
2008 Mac Pro Tower
2x3.2ghz Quad Core Intel Xeon
22gb 800Mhz DDR2 FB-DIMM
NVIDIA GeForce 8800 GT 512mb
OS X Yosemite 10.10.3
Thanks,
Adam
Mac Pro, OS X Yosemite (10.10.3)
And the specs on your battery backup, especially its capacity?
Its a Cyber Power 825AVR, below are the specs
| Input | |
| Voltage | 90Vac - 140Vac |
| Frequency | 60Hz ± 3Hz |
| Surge Protection | 12 Amp |
| Plug Type | NEMA 5-15P |
| Plug Style | Right Angle, 45° Offset Right |
| Cord Length | 6' |
| Output | |
| VA | 825 |
| Watts | 450 |
| On Battery Voltage | 120Vac ± 5% |
| On Battery Frequency | 60Hz ± 1% |
| On Battery Waveform | Simulated Sine Wave |
| Outlets - Total | 8 |
| Outlet Type | NEMA 5-15R |
| Outlets - Battery & Surge Protected | 4 |
| Outlets - Surge-Only Protected | 4 |
| Outlets - Widely Spaced | 4 |
| Overload Protection | Internal circuitry limiting / circuit breaker |
| Transfer Time | 4 |
could it be my power supply going out?
Mac Pro 2008 technical specifications:
Electrical and environmental requirements
- ENERGY STAR configurations available6
- Line voltage: 100-120V AC or 200-240V AC (wide-range power supply input voltage)
- Frequency: 50Hz to 60Hz single phase
- Current: Maximum of 12A (low-voltage range) or 6A (high-voltage range)
- Operating temperature: 50° to 95° F (10° to 35° C)
- Storage temperature: -40° to 116° F (-40° to 47° C)
- Relative humidity: 5% to 95% noncondensing
- Maximum altitude: 10,000 feet
12 Amps at 120 Volts gives a maximum power DRAW of 1,440 Watts.
That UPS is not adequate to run your machine. Return it for one that can handle the AC power DRAW, not the DC power supplied by the Mac's Internal Power Supply.
Mac Pro (Early 2008) - Technical Specifications
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Ok great thanks, however I have been running on this one for nearly half a year without any problems. I will get a new one.
Thanks again.
It sounds like you finally gave Your Mac Pro some serious work to do, and when your Mac Pro was not coasting along, the UPS could not handle the power required.
to be honest, I dont think this computer is running up to speed. It should smoke compared to the speeds im getting right now. could the power issue be causing that as well, not giving the power to the processors they need to run at optimal speed?
There are plenty of reasons your Mac might not be running as fast as possible.
But the one you cited is NOT on the list of possible problems.
If you would like to work on that, Readers love to talk about it -- but start a new topic with a catchy title to attract the Readers with expertise and interest in that area of discussion.
Get a 900W 1300-1500VA Cyberpower and use this for your other items like modem, router, display, external hard drives.
It is too small.
The numbers I derived above (12 Amps times 120Volts yields 1440 Volt-Amps, not Watts. The hatter's assessment of how much is required is correct. My estimate is too large (because I conflated Volt-Amps with Watts, which is not quite right. The 'rule of thumb' estimate -- 2/3 the Volt-Amps yields an approximation of Watts in typical uses).
This readable article discusses the difference and a useful 'rule of thumb' for converting between Volt-Amps and Watts. As The hatter noted, both terms are used in describing AC power supply and UPS capacity, but are slightly different.
Thanks everyone, I really appreciate it. Headed out to buy one now.
Report back if the new UPS works or does not work
Export draws to much power?
